crazy bone

noun

: funny bone

Word History

First Known Use

1876, in the meaning defined above

Time Traveler
The first known use of crazy bone was in 1876

Rhymes for crazy bone

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Browse Nearby Words

crazy ant
crazy bone
crazy eights
See all Nearby Words

Cite this Entry

“Crazy bone.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/crazy%20bone. Accessed 19 Jul. 2025.

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Kids Definition

crazy bone

noun
: funny bone

Medical Definition

crazy bone

noun
cra·​zy bone ˈkrā-zē- How to pronounce crazy bone (audio)
: funny bone
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